Neil Campbell has written and performed at UCBTLA since it opened in 2005. He was the Artistic Director of UCBTLA from 2008 to 2012. At UCBTLA, he can be seen performing every Thursday at 11pm with Last Day of School (named "Best Improv Show" by LA Weekly), he is a member of sketch group A Kiss From Daddy, and he and Paul Rust perform a monthly show entitled Playhouse Masterpieces. Neil also occasionally performs with ASSSSCAT.

Neil is the Head Writer and an Executive Producer of IFC's Comedy Bang! Bang! His other writing credits include The Simpsons, Comedy Central's Between Two Ferns: A Fairytale of New York, the MTV Movie Awards, adult swim's Moral Orel, and more. Acting credits include Comedy Bang! Bang!, Parks and Recreation, Reno 911! and The Sarah Silverman Program.